306results about How to "Strong seedlings" patented technology

The invention relates to a Paris polyphylla var. yunnanensis scale seedling culturing method. The method comprises the following steps of: selecting Paris polyphylla var. yunnanensis plants more than 10 years old and reserving seeds for planting; collecting mature seeds; washing the collected seeds to remove episperm; spreading and drying the seeds in a shade and ventilating place within 12 hours, wherein a temperature is maintained and an accumulation thickness is less than or equal to 6 cm; spreading the seeds uniformly and drying; filling the seeds into a ventilating container; storing the container in a shade environment with a suitable temperature, wherein the storage time is no more than 2 months; clearing impurities and residues in a seedling culturing field; fertilizing decayed farm manure and calcium superphosphate; plowing and raking soil; forming a furrow; spreading humus soil on the furrow surface; flatting the furrow surface; sowing in early June next year; taking the stored seeds, and after sterilizing, broadcasting the seeds uniformly according to the thickness of sowing; earthing after broadcasting; covering mantle on the furrow surface; irrigating sufficiently and performing seedling management. A method for drying the seeds of the Paris polyphylla var. yunnanensis in shade in an environment without direct sunlight is adopted, the dormancy of the seeds of the Paris polyphylla var. yunnanensis is broken, and the scale production of Paris polyphylla var. yunnanensis seedlings is realized, so that germchit guarantee is provided for large-area popularization and cultivation of the Paris polyphylla var. yunnanensis. The method has the characteristics of simple and easily-learned operation, high survival rate of germchit, low production cost, healthy and strong germchit, stable and reliable technology, high repeatability, and capacity of effectively solving the problem of scale seedling cultivation of the Paris polyphylla var. yunnanensis.

The invention provides a method for rapidly reproducing high quality germchit with dendrobium officinale, which is characterized in that: (1) folded sprouts of the dendrobium officinale are taken and sterilized, and stem apexes are inoculated to a solid culture medium to establish a non-bacterial system; (2) the stem sections or small basal tissue blocks of the young seedlings of the non-bacterial system are cut for inducing protocorm based on suitable hormone combination and a culture medium; (3) the protocorm is cultured alternatively on liquid and solid subculture mediums for rapid multiplication to form protocorm masses; (4) the protocorm masses are cut apart and transferred on a solid planting medium for disuniting plants into small seedlings; (5) the small seedlings are transferred on a solid strong seedling culture medium for strengthening the seedlings and taking roots to culture complete plants; (6) the non-bacterial strong seedlings are fixedly planted in suitable seedling adapting substrate to obtain the high quality germchit. The method can be used in large scale industrialization and the explants have the advantages of high soil removal efficiency, high multiplication rate, low variability, strong germchit, good quality, high survival rate after being transplanted, strong growth potential, etc.

The invention discloses a savia miltiorrhiza planting method which comprises the steps of (1) breeding material culture, (2) planting, (3) field management and (4) harvest. In the step (1), savia miltiorrhiza seeds are grown to obtain seedlings or savia miltiorrhiza seminal roots are directly used as seed sources, wherein the following steps of a. seedbed preparation, b. sowing, c. seedbed management and d. transplanting are executed for growing the savia miltiorrhiza seeds to obtain the seedlings. The step (2) comprises land selection, land preparation and planting, wherein planting can be carried out either in a seedling planting mode or in a root division planting mode. The step (3) comprises intertillage weeding, after-manuring, topping and irrigation and drainage. The step (4) comprises seed collection and crude medicine collection, wherein seed collection comprises collection of seeds and seminal roots. By the adoption of the breeding material culture conditions, the grown seedlings are healthy, strong, rich in nutrient substance and good in growing state, and the yield of savia miltiorrhiza crude medicine and savia miltiorrhiza seminal roots can be increased substantially when the grown seedlings are used or savia miltiorrhiza planting.

The invention discloses a fast efficient propagation method of Paris polyphylla. The fast efficient propagation method of Paris polyphylla includes: selecting and treating propagating materials; inducing latent buds to germinate by stratification; and managing seedling propagation and production. The fast efficient propagation method of Paris polyphylla has the advantages that seedling growth is fast, propagation coefficient is high, and seedling quality is high. The latent buds are induced to germinate by inhibiting apical dominance without damaging completeness of rhizomes, stem cutting for seedling separation is performed according to germinating latent bud spots, and accordingly many latent buds germinate, and many separate seedlings are grown. Seedling rate is one to two times higher than that in the traditional way that segmental cutting is performed prior to inducing the latent buds to germinate. When the latent buds are induced to germinate, the rhizomes are not damaged. Therefore, seedlings from the latent buds are robust. By sterilization and seed soaking prior to seedling raising after cutting and seedling separation, strong seedlings are easy to obtain and survive easily after planted in fields.

The invention discloses a rhizoma paridis planting method which comprises the following steps: (1) selecting and treating seeds; (2) carrying out bud forcing treatment on the seeds; (3) manufacturing a seedling bag; (4) sowing the seeds; (5) arranging a planting site; (6) carrying out transplantation; and (7) carrying out field management. Rhizoma paridis seeds cultivated by the invention are high in germination rate and survival rate of transplanting; and through adoption of the rhizoma paridis planting method, use of a chemical fertilizer and a pesticide can be reduced, the soil is optimized, the yield of rhizoma paridis can be increased, and the quality of the rhizoma paridis can be improved.

The invention provides a method which is applied to direct sowing and seedling of yellow ginger seeds in large scale in a greenhouse. The method comprises the following steps of place selection for anursery garden, pretreatment of seeds, uniform sowing in greenhouse surface after dividing the compartment, prophase management after seedling emergence, middle-later period management after seedlingemergence, transplanting after seedling emergence, and the like, wherein three scientific nutrient solution compounding are used in the management after seedling emergence and the transplanting afterseedling emergence, thus providing reasonable nutrition proportion for each growth stage of the seedling and ensuring various nutrition elements required by the growth of the seedling. The method hasthe advantages of reducing the amount of pesticide, easily and conveniently obtaining seedling, having high utilization ratio of fertilizer, few broken roots, little workload, quick growth after transplanting with soil and capability of continuously breeding for more than 3 years by replacement of seedbed substrate and treatment of soil, improving the using efficiency of the greenhouse and reducing the production cost.

The invention discloses a full-artificial breeding method for megalonibea fusca. The method comprises the following steps of: getting parent fish seeds from natural sea areas; carrying out reinforced breeding on parent fish; carrying out artificial spawning on the parent fish; carrying out hatching on fertile eggs; carrying out indoor artificial cultivation on juvenile fish; carrying out indoor nutrition strengthening cultivation on the juvenile fish in an alevin stage; carrying out ecological breeding on the alevin which are moved into an earthen pond after the alevin stage; and breeding thealevin into large-size seedlings, and the like. The full-artificial breeding method provided by the invention is a mode applicable to the large-scale production of megalonibea fusca fries. After carrying out three-year cultivation on first-generation juvenile fish which is successfully artificially bred, sexually-matured first-filial-generation parent fish is cultivated, and then second-generation juvenile fish is bred from the first-filial-generation parent fish, thereby achieving the full-artificial breeding. The full-artificial breeding method breaks through the bottleneck that because themegalonibea fusca belongs to endangered fish species, parent fish sources are extremely difficult, and realizes the large-scale artificial breeding and culturing industrialization of the megalonibea fusca.

The invention discloses a high-quality and high-yield planting method for rice. The method comprises the steps of: soil preparation, seed treatment, seedling, transplanting, fertilizing management and the like. According to the method disclosed by the invention, the fertilization time of rice is reasonably arranged, so that sufficient fertilizer supply is available in an earlier stage, a middle stage and a later stage. Meanwhile, special fertilizers for two stages respectively after rice seedling and rice transplanting are blended, the utilization ratio of the fertilizers by rice is improved for the demand of rice on nutrition in different growth periods, and nutritional value, and cold-resisting, disease-resisting, drought-resisting and flood-resisting properties of the rice are enhanced.

The invention relates to an artificial seedling method of Louisiana iris. By utilizing the method, the artificially self-pollinated seeds of the Louisiana iris are subject to seedling culture through the following steps: choosing the seed picking time and determining the thousand seed weight of the seeds; performing acid treatment; soaking the seeds in cold water; seeding in a normal-temperature field seedbed; covering the seeds with river sand and shading light with a sunshade net before seedling emergence; performing conventional fertilizer and water management; and performing seedling culture in a nutrition pot, wherein the step of choosing the seed picking time comprises: picking seeds 100-115 days after artificial pollination, and choosing the full and uniform seeds; the step of performing acid treatment comprises: soaking the seeds with a 0.05-0.15% potassium permanganate solution for 20-40 minutes, sufficiently stirring and washing; and in the step of covering the seeds with river sand, the river sand with 100% water content is utilized. By adopting the method provided by the invention for seedling, the rate of emergence of the year after seeding can reach 57.2%, 53.9% and 64.3% respectively, the seedling time is shortened by 190 days, the seedlings are healthy and strong, the cultured plants grow well, and seedling industrialization is expected to implement.

The invention provides a multi-flower paphiopedilum test-tube seedling cultivation method, belonging to the technical field of plant growing. The method is characterized by comprising the following steps: 1) pod acquisition; 2) aseptic seeding; 3) multiplication subculture; 4) root and strong seedling culture; and 5) test-tube seedling transplantation. The multi-flower paphiopedilum test-tube seedling cultivation method has the characteristics of high germination rate, short seedling emergence cycle, robust seedlings, developed root systems, good seedling quality, low production cost and the like, can be used for large-scale industrialized production of paphiopedilum and has a good application prospect.

The invention provides a castor ecological planting method in the seashore saline soil, which achieves the purpose of improving the physicochemical property of soil, increasing the soil nutrient level, improving the castor growth potential and saline-alkali tolerance and reducing the plant diseases and insect pets using the ecological cultivation technologies such as direct seeding ryegrass, magnetism treatment of seed, seed coating, seeding in nutritive cup by phosphate liberation bacteria, wide bean interplanting, improving medium or the like. An effective castor ecological cultivation model in the seashore saline soil is explored, which not only ensures the castor yield and quality, but also improves the saline soil environment, and is useful for pushing the development of the castor industrialization, regulating saline soil agricultural structure, increasing the income of farmers and ecologically restoring the ecosystem of the saline soil. The castor ecological planting method of the invention is of great significance for releasing the national energy shortage, improving ecological environment and facilitating agriculture benefit.

The invention discloses a cucurbit and vegetable breeding substrate. A production method of the cucurbit and vegetable breeding substrate comprises steps of (1) mixing grass carbon, fermented biogas residues, bio-organic fertilizers and the like; (2) adding ammonium sulphate, potassium sulphate, monoammonium phosphate, manganous sulfate, boric acid and the like to a sprayer containing water and stirring uniformly fully for use; and (3) sieving the bio-organic fertilizers in the step (1) and enabling the bio-organic fertilizers to sink into other materials of the step (1) except the bio-organic fertilizers, adding the mixture solution of step (2) into the mixture of the step (1), turning and mixing once, using a square-hole screen to sieve once till all mixtures pass the screen, adding proper water, continuing to turn and stir three times, using a plastic film to cover mixtures for stack and smothering for 48 hours after completion of preparation, sampling, and performing quantitative package after inspection. The substrate has good fertilizer effects, releases nutrition slowly and is disease resistant, degeneration resistant, comprehensive in nutrition and good in pertinency. The germinate rate and seedling emergence rate of seeds are improved, seedlings are strong and free from excessive growth, soaked roots, dwarf and mummification, blossom buds of seedlings are differentiated normally, and characteristics, the yield and the quality of agricultural products are guaranteed.

A liquid culture method and apparatus for fast reproduction of potato includes such steps as detoxicating the seed potato, quick reproducing the detoxicated seedling in test tube containing sugar-free culture liquid, and industrically reproducing the miniature potato in sugar-free culture liquid in open mode.

The invention relates to a large-scale seedling-culturing method for cultivating cassia sophera seedlings without bacterial infection by utilizing cassia sophera seeds in a direct seeding mode, which solves the problem that the existing seedling-culturing land has no selecting standard, and seedlings are low in sprouting percentage, high in infective rate of putridity at the seedling stage, dark in root system, small in earthnut, weak, high in death rate and low in survival rate after being transplanted. New sandy soil with good breathability or rice fields are utilized, a shell breaking machine is utilized to carry out partially shell breaking, and seeds are used for cultivating the seedlings in the direct seeding mode by means of prepared matrixes laid on a seed bed to reduce rice field. Mulching films are utilized to keep the temperature and the humidity of the ground. By spraying prepared nutrient solution by stages, needs for nutrient of the seedlings are met, environment is clean, the plant diseases and the insect pests are reduced, the seedlings are robust, root systems are strong and white in color, rhizomes are thick and strong, the infective rate of putridity is low, the survival rate after transplantation is high, operation is simple and convenient, and the seedling-culturing method is suitable for cultivating the cassia sophera seedlings in a large-scale mode. Strong seedlings can be cultivated more than zero point four million per mu, and the survival rate after the transplantation reaches to above 98%.

The invention discloses a temporary planting and seedling hardening method of dendrobium tissue culture seedlings, and relates to the technical field of dendrobium cultivation. The method includes the following steps that (1) by means of moderate microclimate conditions under protected cultivation frame overhead planting bed, ground under the bed serves as a dendrobium temporary planting seedbed; (2) culture medium main raw materials are fermented; (3) culture media are prepared and put into a seedling hole plate; (4) the dendrobium tissue culture seedlings of the right age are selected for indoor seedling hardening; (5) the tissue culture seedlings are placed on the temporary planting seedbed after temporary planting on the seedling hole plate; (6) management after temporary planting is carried out. After the method is adopted, the temporary planting survival rate of the dendrobium tissue culture seedlings is high, the cultured hole plate seedlings are strong and uniform, seedling survival is easy after planting, growth is quick, the method is suitable for seedlings for dendrobium protected cultivation and bionic cultivation large-scale production, and the utilization rate of equipment can be improved.

The invention relates to a seedling growing method, in particular to a seedling growing method for Scotch pine in northern sandy area. The invention is characterized in that seed source is selected; the seeds are arranged in snow or warm water to carry out the bud forcing treatment till that the seeds bud; seedlings are sowed by a level seedbed; meanwhile, soil amendment is fertilized; furthermore, during the period of seedling management, the management is carried out according to different growing conditions of the young seedlings; during the initial growing period of the young seedling, the nursery bed is watered; the temperature of the nursery bed is kept within 8-25 DEG C and the humidity thereof achieves 50%-80% of the water content in the field; furthermore, bordeaux mixture with the mass concentration of 0.8%-1.0% is sprayed once every 5-7 days and then the clean water is sprayed to clean the seedling; during the high growing period of the young seedling, the fertilizer is fertilized again thrice; during the stem growing period of the seedlings, the water content in the field of the nursery bed is kept within 35%-60%; the phosphate fertilizer is fertilized on the leaf surfaces; meanwhile, the winter protection disposal is carried out, thus improving the quality of the survival rate of the seedlings, improving the survival rate of the forest by 33.1% and generating considerable economical and social benefits.

A method of tissue culture and rapid propagation of healthy sugarcane seedlings comprises: detoxifying a small amount of cleaned sugarcane mature seed rhizomes with warm of 52 DEG C water for 30 minutes, accelerating germination at 38 DEG C, using auxiliary buds as explants for induction, differentiation and breeding to obtain first generation healthy seedlings, detecting ratoon stunting diseasesby means of PCR (polymerase chain reaction) to detect plantlets with negative results, obtaining a great amount of healthy sugarcane seedlings by means of multiplication culture, performing rooting cultivation, seedling adaptation and transplanting to a sand bed for temporary planting, sampling the seedlings for detecting the ratoon stunting diseases by means of PCR, proving qualification of thehealthy sugarcane seedlings, and transplanting the qualified seedlings to a large land or popularizing planting of the seedlings. The method can improve production efficiency of healthy sugarcane seedlings, twice PCR detection guarantees detoxification effect of the healthy sugarcane seedlings, the whole production process is short, propagation by multiple nursery is not needed, seedlings from tissue cultivation are directly used for production or application, the method has the advantages of high efficiency, superior quality, fastness and the like and meets large-scale factory production requirements of the healthy sugarcane seedlings.

The invention relates to an embedding vitrification ultralow-temperature storage method for bletilla striata seeds. The method comprises the following steps: collecting integral fruit, cleaning, wiping surfaces with ethanol, immersing in ethanol, flushing with sterile water, immersing in a mercuric chloride solution with a concentration of 0.1%, flushing, absorbing water on the fruit surfaces, splitting capsules in a longitudinal direction, and taking out powder-like seeds; pouring seeds into a sodium alginate embedding solution, stirring uniformly, dropwise putting into a calcium ion embedding solution, and putting in a room-temperature environment and forming embedded beads through solidifying; putting the embedded beads into a PVS2 solution and performing dewatering processing for 20-160 min; putting into a refrigeration tube, adding a PVS2 solution, and then putting the refrigeration tube in liquid nitrogen for refrigeration storage; when seeds are needed, taking out the refrigeration tube, unfreezing and removing the PVS2 solution, and washing; and inoculating the washed embedded beads to a solid VW medium for culture, enabling the seed to germinate, and performing domestication transplanting after seedlings grow to have the height of 6-10 cm. The seeds obtained by employing the method are high in germination rate and the cost can be saved.

The invention discloses a seedling culturing method for a Chinese yew. The seedling culturing method includes the steps of seed collection, seed storage, seed processing, soil preparation and seedling, seedling management, transplantation, interplanting and the like. Firstly, seed coats of seeds are thinned through a rubbing method, then the seeds are mixed with wet sand and stored in a soil pit, in the next spring, the seeds are taken out and sequentially soaked in disinfectant and plant growth regulator, then, the seeds undergo accelerating germination in a greenhouse, and the seeds can be planted when the seeds become white. Farmyard manure is added after deep ploughing and soil preparation, the seeds are planted on a seedbed, covered by thin soil, watered and receive moisturizing processing, and 50-70% of the seeds are shaded in a seedling stage. In the process of transplantation, neutral and acidulous properly-thick soil layers with the height of 1500-3500m are selected, base fertilizer is added, roots of sprouts are soaked in wet earth containing organic fertilizer, and then the sprouts are planted in a three-dimensional growth environment in an interplanting mode, wherein the tree of overstory in the three-dimensional growth environment is pinus yunnanensis, and ground flora of the three-dimensional growth environment is fern. Tests show that according to the seedling culturing method for the Chinese yew, dormancy periods of Chinese yew seeds can be shortened greatly, bud ratios and transplantation survival rates are improved, and the Chinese yew is quick in growth, early in fruiting and suitable for being popularized and planted in a large area.

The invention relates to a method for improving the parispolyphylla seed yield and quality, and belongs to the technical field of traditional Chinese medicinal material cultivation and agricultural seed production. The method for improving the parispolyphylla seed yield and quality specifically comprises the following steps that (1) varieties and plants are preferentially selected so as to ensure good quality and high yield of provenance; (2) fine land selection and preparation are carried out, a sun shelter is built, and a seed reserving field meeting the plant growth requirements is built; (3) rational close planting is carried out, and the seed quality is ensured; (4) drought control and drainage of stagnant water are carried out, weeding and fertilization are carried out, and it is ensured that pregnant buds bloom; (5) plant diseases and insect pests are comprehensively controlled to improve the seed quality; (6) overwintering protection is carried out, and bloom buds cold injuries are reduced; (7) artificial supplementary pollination is carried out to improve the setting percentage; (8) mass selection and seed collection are carried out, seeds are placed in the shade to dry, and the seed purity and quality are improved. The method for improving the parispolyphylla seed yield and quality has the advantages that operation is easy and convenient, the cost is low, the seed yield is high, the emergence rate is high, the setting percentage and yield are tripled, the economical benefit is remarkable, the parispolyphylla seed yield and quality are improved, and large-scale seed production is achieved.

The invention provides a large-scale mappia pittosporoides direct seeding and seedling method. The method includes a series of steps such as nursery site requirements for mappia pittosporoides direct seeding and seedling, greenhouse erection and compartment division, seed pretreatment, seeding, management before germination, preliminary management after germination, seedling transplantation, field management after transplantation, etc. Seedlings obtained through the method achieve a low infection rate, high robustness, a high transplantation survival rate, as well as strong rootstocks; the operation is simple and convenient; the method is applicable for propagation technologies for mappia pittosporoides field seedling, and overcomes the limitations of the conventional seedling technologies.

The invention relates to a method for propagating a wild Vietnamese sophora root through cottage. The method comprises the following steps that (1) a wild Vietnamese sophora rootstalk is cut, (2) rootstalk sections are placed into nutrient bags, (3) heat-preservation cultivation is conducted for 19-21 days, and (4) seedlings are transplanted to a field. The method solves the problems that in traditional tissue culture, the requirements for indoor propagating conditions are high, and pollution is prone to occurring during transplanting and provides a good basis for vegetative propagation of Vietnamese sophora root plants. Moreover, large-scale practicability realization and industrialization are easy, and a technical path which realizes high survival rate, low cost and strong practicability is provided for large scale tissue culture propagation, production and development in the future biotechnological field.

The invention discloses a method for propagating plants rapidly. The method comprises the following steps that butterfly orchid pedicle auxiliary buds after flowering are induced to form nutritional buds, and then the nutritional buds are cut, and the abandoned pedicle stem segments act as explants, and are directly inoculated into an induction culture medium for inducing clustered buds; the novel induced buds are cut off to be inoculated to the propagation culture medium for subculture propagation culture; finally rooting and strenghening are carried out and tissue culture seedlings are transplanted. By the method, the auxiliary buds on the butterfly orchid pedicles after flowering and abandoned pedicle materials after bud cutting germinate in a manually prepared culture medium for multiple times to generate novel buds. The method has the advantages that not only is the normal flower period of butterfly orchid not affected, but also butterfly orchid mother plants are not hurt, the butterfly orchid pedicle stem segments are recycled for 2-3 times; pedicle materials are used fully, waste is turned into wealth; the propagation velocity and the production of butterfly orchid tissue culture seedlings are improved greatly; the produced seed seedlings are strong and neat, and are convenient to manage in a factory.

The invention discloses a dendrobium officinale tissue culture seedling method which comprises the following operating steps of: manufacturing a culture medium of dendrobium officinale tissue culture seedlings, filling the components in a container according to the following weight ratio: 1000-1500g of banana stirred into the paste, 200-300g of white sugar, 90-105ml of ferrous sulfate, 25-33g of ammonium nitrate, 35-40g of potassium nitrate, 5-8g of magnesium sulfate, 8-12ml of glycine, 1-3ml of vitamin B1, 1-3ml of vitamin B2, 20-30ml of sugar amino acid, 20-30ml of naphthylacetic acid and 1000ml of running water, boiling, filling the culture medium into a tissue culture bottle through a filling machine, sterilizing and disinfecting; seeding on the culture medium by using pollen of mature dendrobium officinale seeds, and growing mother seedlings within three months. The cultured dendrobium officinale tissue culture seedlings are healthy and strong and normal in leaf color, 4-5 seedlings are grown, the survival rate is high, and the survival rate can be over 95 percent.

The invention provides fertilizer belonging to the agricultural field, especially a special fertilizer for seedling culture of paddy rice, which is prepared by stirring and mixing the following constituents by mass ratio: ammonium sulfate, monoammonium phosphate, lemery, zinc sulfate, calcium sulfate, humus, urea, green copperas, boric acid, bluestone and S-inducing and resisting element. The adoption of the special fertilizer for seedling culture of paddy rice to culture seedling can realize the purposes that the seedlings rapidly germinate and have strong and healthy seedling bodies, plant disease resistance and advanced root system, thus being in favor of rapid re-growth after transplanting. The fertilizer is suitable for being used as the fertilizer for paddy rice seedling culturing and other plants seedling.

The invention discloses a rice machine-transplanted bowl seedling cultivation method. The cultivation method includes the following steps: seed selection; seed soaking and germination accelerating; seedling bed preparation; sowing; seedling bed management; seedling lifting and conveying; and field transplanting. The rice machine-transplanted bowl seedling cultivation method integrates advantages of conventional blanket type machine-transplanting and seedling throwing technology; precise sowing can be achieved through a factory-like nutriment soil disinfection processor and a full automatic rice seedling cultivation and sowing flow line; darkening treatment, seedling pool early cultivation, and heat preservation management is performed, elder bowl strong seedlings with soil can be accurately cultivated in bowl plates, and the age of seedlings is high in flexibility. The seedling cultivation method can save seeding beds, good seeds, fertilizers, water, and labors, can avoid a drought resisting and disinfection process, can reduce the cost of seedling cultivation, and can save labors. The obtained seedlings is high in quality ( the emergency rate ), are strong and healthy, is fast in reviving and surviving, is high in carbon nitrogen content, and is high in rooting ability, and then mu yield of later rice can be increased.

The invention provides a rice seedling culture method. The rice seedling culture is realized by the steps: 1. paying plastic films through a seedling bed; 2. paving a seedling culture substrate; 3. spraying fertilizer liquid; 4. pre-treatmenting before seeding rice; 5. seeding; 6. managing the seedling bed; and 8. controlling inset pests at the seedling stage. By adopting the rice seedling culture method to culture rice seedlings, the invention has the advantages of quick seedling emergence, robust seedling bodies, insect pest resistance, developed root system, easy formation of seedling pieces, favorability for mechanical transplantation and quick seedling regrowing and is suitable to be used for rice seedling culture.

The invention discloses a light matrix for a eucalyptus mesh bag seedling culture container. The light matrix comprises a eucalyptus tissue culture seeding mesh bag container light matrix and a eucalyptus cuttage seedling mesh bag container light matrix. The eucalyptus tissue culture seeding mesh bag container light matrix of each cubic meter comprises, by volume, 25-35% of peat soil, 25-35% of carbonized chaff and 35-45% of coco coir. The eucalyptus cuttage seedling mesh bag container light matrix of each cubic meter comprises, by volume, 25-35% of peat soil, 35-45% of carbonized chaff and 25-35% of coco coir. The light matrix is more suitable for local seedling culture conditions than mesh bag containers purchased from the market, and the seedling culture survival rate and the seedling rate throughout the year meet the large-scale production requirements.

Belonging to the technical field of artificial plant cultivation, the invention specifically relates to an artificial cultivation method of gynura divaricata (Linn.) DC. At present, natural conditions limit the promotion and planting of gynura divaricata (Linn.) DC. in northern areas, thus the artificial cultivation method of gynura divaricata (Linn.) DC. is provided to ensure the normal growth of gynura divaricata (Linn.) DC. in northern areas and maintain its quality and advantages. Practice of the invention shows that an effective technical route for tissue culture and rapid propagation of gynura divaricata (Linn.) DC. includes sterile material acquisition, adventitious bud induction, strong bud subculture and proliferation, rooting culture, seedling adaptation, and tube plantlet transplant and cultivation. On the one hand, bud induction and subculture and proliferation are performed by controlling the concentration and proportion of medium and its additional hormones, so that the original plant characteristics are maintained and environmental adaptation of the plant is strengthened. On the other hand, with unique plantation layout and reasonable temperature and humidity control, as well as normative field operation ensuring the quality and output, the method of the invention can reach the effects of short culture time, rapid seedling emergence, little variation, good plant quality and high production efficiency.

The invention discloses a grape planting method, and relates to the field of planting of fruit trees. The grape planting method comprises the following steps: foundation selection, early-stage preparation, seed preparation, seed germination accelerating, seed sowing, grape seedling transplanting, grape trellis building, field management and prevention and treatment of plant diseases and insect pests. The grape seeds are soaked in saline water and are subjected to ultrasonic treatment, coats of the grape seeds are softened quickly, water absorption speed of the seeds is increased, matters such as starch and protein can be converted into soluble matters for embryos to be absorbed, and the growing period of the seeds is shortened; and the soil for seedling growing is loam, breathability and drainage of the loam are good, and growth of grape plants can be promoted.